A BELT MECHANIC WAS STANDING ON A LADDER WHEN HE SLIPPED OFF THE RUNG. HE FELL TO THE MINE FLOOR & INJURED HIS RT. INDEX FINGER (LACERATED), RT. SHOULDER (CONTUSION) AND HIS RT. LEG (STRAIN). HE CONTINUED TO WORK UNTIL SEEN BY A DR. AFTER HIS SHIFT ON 09/27/05. HE WAS TAKEN OFF WORK & BEGAN MISSING TIME ON 09/28/05.